Home / 2,993.24-4,135.91-2,156.69

Finding the Fourth Proportional to 2,993.24, 4,135.91 and 2,156.69

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Solution

The fourth proportional to 2,993.24, 4,135.91 and 2,156.69 is: 2,980.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,993.24 : 4,135.91 = 2,156.69 : x
  2. Step 2: Convert to fraction form
    2,993.24/4,135.91 = 2,156.69/x
  3. Step 3: Cross multiply
    2,993.24x = 4,135.91 × 2,156.69
  4. Step 4: Simplify right side
    2,993.24x = 8,919,844.27
  5. Step 5: Solve for x
    x = 8,919,844.27/2,993.24
  6. Step 6: Final answer
    x = 2,980.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.